Saturday
February 6, 2016

# Homework Help: Algebra

Posted by mysterychicken on Sunday, May 16, 2010 at 10:01pm.

55. Find the range of y = 2x + 1.
a. all real numbers
b. all positive numbers
Not sure..

67. Name the Property: -2 + (10+1) = (-2 + 10) + 1
a. Commutative Property of Multiplication
I think it might be C or D

73. Which of the following are in function notation?
a. y = mx + b
b. f(x) = 3x - 1
c. x = 2x + 1
d. (4,5)
B?

75. Name the property: 7 + (4 + 4) = (7 + 4) + 4
c. Commutative Property of Multiplication
I'm stuck between B and D...

99. Which property describes (ab)3 = a(b3)?
a. Inverse Property of Multiplication
c. Associative Property of Multiplication
d. Commutative Property of Multiplication
C or D...

Thanks
-MC
• Algebra - Reiny, Sunday, May 16, 2010 at 10:16pm

55. The range of a function is the set of all possible y values. Here anything goes, so a)

67 & 75 same kind of question --> assoc. prop addition

99. c

• Algebra - mysterychicken, Sunday, May 16, 2010 at 10:34pm

Thanks!!
-MC